Home / 37,314.04-51,490.20-21,998.20

Finding the Fourth Proportional to 37,314.04, 51,490.20 and 21,998.20

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Solution

The fourth proportional to 37,314.04, 51,490.20 and 21,998.20 is: 30,355.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,314.04 : 51,490.20 = 21,998.20 : x
  2. Step 2: Convert to fraction form
    37,314.04/51,490.20 = 21,998.20/x
  3. Step 3: Cross multiply
    37,314.04x = 51,490.20 × 21,998.20
  4. Step 4: Simplify right side
    37,314.04x = 1,132,691,717.64
  5. Step 5: Solve for x
    x = 1,132,691,717.64/37,314.04
  6. Step 6: Final answer
    x = 30,355.64

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.